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Finding the Fourth Proportional to 17,176.10, 25,765.18 and 5,331

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Solution

The fourth proportional to 17,176.10, 25,765.18 and 5,331 is: 7,996.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,176.10 : 25,765.18 = 5,331 : x
  2. Step 2: Convert to fraction form
    17,176.10/25,765.18 = 5,331/x
  3. Step 3: Cross multiply
    17,176.10x = 25,765.18 × 5,331
  4. Step 4: Simplify right side
    17,176.10x = 137,354,174.58
  5. Step 5: Solve for x
    x = 137,354,174.58/17,176.10
  6. Step 6: Final answer
    x = 7,996.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.